Cometic
Cometic Subaru EJ25 Motor 100mm .040 inch MLS Head Gasket DOHC 16V
Cometic Subaru EJ25 Motor 100mm .040 inch MLS Head Gasket DOHC 16V
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- Free fitment check before you order
Listed for: Subaru EJ25 MotorFitment notes & questions
Subaru EJ25 Motor 100mm .040 inch MLS Head Gasket DOHC 16V from Cometic, listed for Subaru. The head gasket seals the cylinder head to the block, keeping combustion pressure in the cylinders and coolant and oil in their own passages.
Quick facts
- Brand: Cometic
- Part type: Head gasket
- Listed for: Subaru
Listed fitment
- 1998 Subaru Forester Base
- 1998 Subaru Forester L
- 1998 Subaru Forester S
- 1998 Subaru Impreza RS
- 1999 Subaru Legacy GT
- 1999 Subaru Legacy Limited 30th Anniversary
- 1999 Subaru Legacy Outback
- 1999 Subaru Legacy Outback Limited
- 1999 Subaru Legacy SUS 30th Anniversary
Tip: Most head gaskets call for new head bolts and a flat, clean deck surface. Check the head and block before you reassemble.

Cometic head gasket for the Subaru EJ25 Motor: what to know
A failed head gasket can mix coolant and oil, push coolant out of the system or cause overheating, so it is a job worth doing once and doing right.
Fitment notes
- Listed for: Subaru EJ25 Motor.
- Specs, lead time and warranty come from Cometic and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentWhat else to plan for
- Head bolts. Many engines use torque-to-yield head bolts that should not be reused.
- Coolant. Refill with the coolant type your engine calls for.
- Valve cover and intake gaskets. They come off during the job, so it is the time to replace them.
More for your car: Subaru Parts · All Head Gaskets · Engine